"Is there balm in Gilead" is the last question that the speaker asked the Raven.
I'm pretty confident this is false. Most scholars agree that Poe had two main inspirations when he wrote this story. The first is Joel Headley's story, "A Man Built in a Wall," published in the 1840s. That story was set in Italy, not Paris. The second was a local legend that Poe had heard about Castle Island, which is located near Boston. That story basically tells about a guy being killed in a duel and chained up to die in a dungeon.
Either way, neither of these sources has anything to do with the catacombs of Paris.
A.) speaking quickly will make it difficult for your audience to pay attention and understand what you are saying